محاسبه بهره تولید رادیوایزوتوپ 43Sc با استفاده از پرتابه های پروتون، دوترون و آلفا

نوع مقاله : مقاله پژوهشی کامل

نویسندگان

گروه فیزیک هسته‌ای، دانشکدة فیزیک، دانشگاه یزد، یزد، ایران

چکیده

رادیوایزوتوپ 43Sc با نیمه عمرh 891/3 یک رادیوایزوتوپ مناسب و ایده‌آل برای تصویربرداری PET است. در این مقاله تولید رادیوایزوتوپ 43Sc از طریق واکنش‌های هسته‌ای 43Ca(p,n)43Sc، 44Ca(p,2n)43Sc، 42Ca(d,n)43Sc ، 43Ca(d,2n)43Sc ، 40Ca(α,p)43Sc و 41K(α,2n)43Sc مورد بررسی قرار گرفته است. سطح مقطع این واکنش‌ها با استفاده از کدهای هسته‌ای TALYS1.8 و ALICE ASH 1.0 محاسبه شده و با نتایج تجربی مقایسه شده است. از کد‌های SRIM-2013 و MCNPX2.6 برای محاسبه توان توقف و توزیع شار پرتابه در هدف استفاده شده است. برای هر واکنش بهره تولید تئوری و شبیه‌سازی محاسبه شده است. نتایج بهره تولید برخی از این واکنش‌ها با نتایج تجربی در همان بازه انرژی بهینه انتخابی مقایسه شده است که تطابق نسبتا خوبی بین نتایج تجربی و محاسباتی مشاهده می-شود.

کلیدواژه‌ها

موضوعات

عنوان مقاله [English]

Calculation of the production yield of 43Sc radioisotope using proton, deuteron and alpha projectiles

نویسندگان [English]

  • Mansoureh Tatari
  • Motahhareh Dehghani
Physics Department-Faculty of Science-Yazd University-Yazd-Iran
چکیده [English]

The 43Sc radioisotope with a half-life of 3.891 h is an ideal radioisotope for PET imaging. In this paper, the production of 43Sc radioisotope through 43Ca(p,n)43Sc, 44Ca(p,2n)43Sc, 42Ca(d,n)43Sc, 43Ca(d,2n)43Sc, 40Ca(α,p)43Sc and 41K(α,2n)43Sc nuclear reactions have been investigated. The cross-section of these reactions was calculated using the TALYS1.8 and ALICE ASH 1.0 nuclear codes and compared with the experimental results. The SRIM-2013 and MCNPX2.6 codes are used to calculate the stopping power and projectile flux distribution in the target. The theoretical and simulation production yields for each reaction are calculated. The production yield results of some of these reactions are compared with the experimental results at the same optimum energy interval, which shows relatively good agreement between the experimental and computational results.

کلیدواژه‌ها [English]

  • Nuclear reactions
  • 43Sc radioisotope
  • Production yield
  • MCNP2.6 code
  • TALYS1.8 and ALICE ASH 1.0 code

مراجع

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  • تاریخ دریافت: 25 آبان 1398
  • تاریخ بازنگری: 07 دی 1398
  • تاریخ پذیرش: 03 اسفند 1398

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